Doctor profile · Federal record

Dr. Boseung Halliwell, APN-CNP

Nurse Practitioner · Evanston, IL

  • NPI 1558676221
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2650 Ridge Ave
Evanston, IL 602011700
(847) 425-6400
fax (847) 425-6408

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
March 5, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209012602
Medicaid
VT #1018026

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558676221. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
282
Distinct HCPCS
3
Medicare allowed
$23,688
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 194 62 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 67 36 $60
99215 Established patient office or other outpatient visit, 40-54 minutes 21 21 $129

In context: peer comparison

Among 32 peers in this city , average services per provider: 70. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,004
Patients
252
Total drug cost
$36,056
Drug Type Claims Patients Total cost
Clonazepam Generic 126 23 $1,215
Quetiapine Fumarate Generic 102 23 $3,218
Trazodone Hcl Generic 83 27 $1,279
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 83 15 $3,055
Fluoxetine Hcl Generic 80 16 $1,950
Escitalopram Oxalate Generic 77 22 $2,152
Sertraline Hcl Generic 71 19 $1,032
Lamotrigine Generic 60 16 $901
Alprazolam Generic 54 11 $329
Aripiprazole Generic 50 18 $11,974

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Boseung Halliwell's medical specialty?
Dr. Boseung Halliwell practices Nurse Practitioner in Evanston, IL.
Where does Dr. Boseung Halliwell practice?
Dr. Boseung Halliwell practices at 2650 Ridge Ave, Evanston, IL 602011700. Office phone: 8474256400.
What is Dr. Boseung Halliwell's NPI?
Dr. Boseung Halliwell's National Provider Identifier (NPI) is 1558676221, issued by NPPES.
Does Dr. Boseung Halliwell accept Medicare assignment?
Yes. Dr. Boseung Halliwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Boseung Halliwell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.